DescriptionBel-Air Drive-in Ad - 29 August 1958, Fontana, CA.jpg
English: Bel-Air Drive-In theater advertisement for the double feature, teenage exploitation films: High School Hellcats and Hot Rod Gang. 29 August, 1958.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.